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• 20:11, 7 November 2023 ASRepairs talk contribs created page File:Polaris vcore enable.jpg
• 20:11, 7 November 2023 ASRepairs talk contribs uploaded File:Polaris vcore enable.jpg
• 20:11, 7 November 2023 ASRepairs talk contribs created page File:Polaris vcore schematic.jpg
• 20:11, 7 November 2023 ASRepairs talk contribs uploaded File:Polaris vcore schematic.jpg
• 20:11, 7 November 2023 ASRepairs talk contribs created page File:Polaris vcore board.jpg
• 20:11, 7 November 2023 ASRepairs talk contribs uploaded File:Polaris vcore board.jpg
• 20:09, 7 November 2023 ASRepairs talk contribs created page VDDCI Rail on Polaris GPUs Explained (Created page with "On this page you'll find information about VDDCI voltage rail on Polaris GPUs. How it works, what it is used for, and common issues with it. {{Explanatory Guide}} ==The Controller Circuit== The creation of the VDDCI voltage rail depends on the VCore PWM controller used. In some instances, VDDCI is generated by the same VCore controller, such as the [https://media.digikey.com/pdf/Data%20Sheets/ON%20Semiconductor%20PDFs/NCP81022.pdf NCP81022] or [https://pdf1.alldatasheet....") Tag: Visual edit
• 20:05, 7 November 2023 ASRepairs talk contribs created page File:Polaris vddci en.jpg
• 20:05, 7 November 2023 ASRepairs talk contribs uploaded File:Polaris vddci en.jpg
• 20:05, 7 November 2023 ASRepairs talk contribs created page File:Polaris VDDCI schematic.jpg
• 20:05, 7 November 2023 ASRepairs talk contribs uploaded File:Polaris VDDCI schematic.jpg
• 20:05, 7 November 2023 ASRepairs talk contribs created page File:Polaris vddci board location.jpg
• 20:05, 7 November 2023 ASRepairs talk contribs uploaded File:Polaris vddci board location.jpg
• 19:41, 7 November 2023 ASRepairs talk contribs created page VMem Rail on Polaris GPUs Explained (Created page with "'''''In this page, we'll delve into the VMem Rail on Polaris series graphics cards, exploring how it operates, its usage, and common problems.''''' {{Explanatory Guide}} ==The Controller Circuit== VMem refers to the voltage supplied to the memory chips on the graphics card. The controller for VMem is often the [http://www.gstekic.com/pdf/GS7256.pdf GS7256]. In some cases, the [https://pdf1.alldatasheet.pl/datasheet-pdf/view/1113871/UPI/UP1666Q.html UP1666Q] is used (foun...") Tag: Visual edit
• 19:39, 7 November 2023 ASRepairs talk contribs created page File:Polaris vmem en.jpg
• 19:39, 7 November 2023 ASRepairs talk contribs uploaded File:Polaris vmem en.jpg
• 19:38, 7 November 2023 ASRepairs talk contribs created page File:Polaris vmem schematic.jpg
• 19:38, 7 November 2023 ASRepairs talk contribs uploaded File:Polaris vmem schematic.jpg
• 19:38, 7 November 2023 ASRepairs talk contribs created page File:Polaris vmem board.jpg
• 19:38, 7 November 2023 ASRepairs talk contribs uploaded File:Polaris vmem board.jpg
• 19:35, 7 November 2023 ASRepairs talk contribs created page Display Rail on Polaris GPUs Explained (Created page with "'''''In this section, we will discuss the Display Rail on Polaris GPUs, including its controller circuit, usage, and common issues.''''' {{Explanatory Guide}} ==The Controller Circuit== Often referred to as the 0.8V rail, the Display Rail is typically controlled by either the [https://datasheet.lcsc.com/szlcsc/2005191033_GSTEK-Green-Solution-Technology-GS9238-ATQ-R_C532950.pdf GS9238] or the [https://www.icware.ru/pdf/0004112.pdf APW8713] step-down voltage converters. Th...") Tag: Visual edit
• 19:31, 7 November 2023 ASRepairs talk contribs created page File:Polaris 0.8v usage.jpg
• 19:31, 7 November 2023 ASRepairs talk contribs uploaded File:Polaris 0.8v usage.jpg
• 19:31, 7 November 2023 ASRepairs talk contribs created page File:Polaris 0.8v en schematic.jpg
• 19:31, 7 November 2023 ASRepairs talk contribs uploaded File:Polaris 0.8v en schematic.jpg
• 19:30, 7 November 2023 ASRepairs talk contribs created page File:Polaris 0.8v schematic.jpg
• 19:30, 7 November 2023 ASRepairs talk contribs uploaded File:Polaris 0.8v schematic.jpg
• 19:30, 7 November 2023 ASRepairs talk contribs created page File:Polaris 0.8v board.jpg
• 19:30, 7 November 2023 ASRepairs talk contribs uploaded File:Polaris 0.8v board.jpg
• 19:27, 7 November 2023 ASRepairs talk contribs created page 1.8V Rail on Polaris GPUs Explained (Created page with "''''''In this guide, we will explore the 1.8V rail on Polaris cards, how it's created, its usage, and common problems associated with it.''''' {{Explanatory Guide}} ==The Controller Circuit== Polaris cards typically use a [https://cal.equipment/doc/_Datasheets/_DC_DC/gs7103.pdf GS7103-A] or a similar Low Drop Out (LDO) regulator to control the 1.8V rail. The output voltage is adjusted through the FB pin using a voltage divider (please refer to the datasheet or Figure 2)...") Tag: Visual edit
• 19:24, 7 November 2023 ASRepairs talk contribs created page File:1.8v enable polaris.jpg
• 19:24, 7 November 2023 ASRepairs talk contribs uploaded File:1.8v enable polaris.jpg
• 19:24, 7 November 2023 ASRepairs talk contribs created page File:Polaris 1.8v controller schematic.jpg
• 19:24, 7 November 2023 ASRepairs talk contribs uploaded File:Polaris 1.8v controller schematic.jpg
• 19:23, 7 November 2023 ASRepairs talk contribs created page File:Polaris 1.8v board.jpg
• 19:23, 7 November 2023 ASRepairs talk contribs uploaded File:Polaris 1.8v board.jpg
• 19:20, 7 November 2023 ASRepairs talk contribs created page 5V Rail on Polaris GPUs Explained (Created page with "''''''In this guide, we will explore the 5V rail on Polaris cards, its functioning, utilization, potential issues, and how to resolve them.''''' {{Explanatory Guide}} == The Controller Circuit == Polaris cards typically use a straightforward Low Drop Out (LDO) regulator to generate 5V from the 12V_BUS supply. While various manufacturers may use different LDOs, the reference one is "[https://www.onsemi.com/pdf/datasheet/mc78m00-d.pdf MC78M05CDT]," featuring three pins: V...") Tag: Visual edit
• 19:16, 7 November 2023 ASRepairs talk contribs created page File:Polaris 5v schematic.jpg
• 19:16, 7 November 2023 ASRepairs talk contribs uploaded File:Polaris 5v schematic.jpg
• 19:10, 7 November 2023 ASRepairs talk contribs created page Short on base voltage rail on Polaris GPUs Repair (Created page with "{{Repair Guide |Device= |Affects parts= |Needs equipment= |Type= |Difficulty= }} ==Problem description== When the card is not turning on at all, causes the entire computer not to turn on. Caused by a shorted component on 12V or 3.3V rail. This page will show where shorts might occur on a Polaris card and how to repair it. thumb|RX 480 reference. 12V_BUS possible shorts. (Figure 1) ==Symptoms== * Sub 100 Ω on either 12V_BUS, 12V_EXT,...") Tag: Visual edit
• 19:10, 7 November 2023 ASRepairs talk contribs created page File:Ref 480 3.3v shorts back.jpg
• 19:10, 7 November 2023 ASRepairs talk contribs uploaded File:Ref 480 3.3v shorts back.jpg
• 19:10, 7 November 2023 ASRepairs talk contribs created page File:Ref 480 3.3v shorts front.jpg
• 19:10, 7 November 2023 ASRepairs talk contribs uploaded File:Ref 480 3.3v shorts front.jpg
• 19:09, 7 November 2023 ASRepairs talk contribs created page File:Ref 480 12vext shorts front.jpg
• 19:09, 7 November 2023 ASRepairs talk contribs uploaded File:Ref 480 12vext shorts front.jpg
• 19:08, 7 November 2023 ASRepairs talk contribs created page File:Ref 480 12vbus shorts back.jpg
• 19:08, 7 November 2023 ASRepairs talk contribs uploaded File:Ref 480 12vbus shorts back.jpg
• 19:08, 7 November 2023 ASRepairs talk contribs created page File:Polaris 12v bus shorts.jpg
• 19:08, 7 November 2023 ASRepairs talk contribs uploaded File:Polaris 12v bus shorts.jpg